Mr. Jabez Wilson started up in his chair, with his forefinger upon the paper, but his eyes upon my companion.

“How, in the name of good-fortune, did you know all that, Mr. Holmes?” he asked. “How did you know, for example, that I did manual labour. It’s as true as gospel, for I began as a ship’s carpenter.”

“Your hands, my dear sir. Your right hand is quite a size larger than your left. You have worked with it, and the muscles are more developed.”

“Well, the snuff, then, and the Freemasonry?”

“I won’t insult your intelligence by telling you how I read that, especially as, rather against the strict rules of your order, you use an arc-and-compass breastpin.”

“Ah, of course, I forgot that. But the writing?”